Spectroscopy and Spectral Analysis, Volume. 40, Issue 12, 3755(2020)
Mechanism of Isoquercitrin Inhibiting Advanced Glycation Products Formation Based on Fluorescence Spectroscopy Technique
Figures & Tables(6)
Fig. 1. Inhibitory activity of isoquercetin on the formation of AGEs on α-La-fructose system
Fig. 2. Influence of isoquercetin on the intrinsic fluorescence spectra of glycated α-La
Fig. 3. Synchronous fluorescence spectra of α-La with different concentrations of isoquercetin with Δ
Fig. 4. Three-dimensional fluorescence spectra of α-La without (a) and with (b) isoquercetin
Fig. 5. (a) Influence of isoquercetin on the fluorescence emission spectra of α-La; (b) The Stern-Volmer plots of
Table 1. The fluorescence quenching constants, binding sites, binding constant and thermodynamic parameters for the interaction of isoquercetin with α-La
View tableView in ArticleTable 1. The fluorescence quenching constants, binding sites, binding constant and thermodynamic parameters for the interaction of isoquercetin with α-La
T/K KSV/(104
L·mol-1)Kq/(1012
L·mol-1·s-1)n Ka/(106
L·mol-1)ΔHo/
(kJ·mol-1)ΔSo/
(kJ·mol-1·K-1)R ΔGo/
(kJ·mol-1)298 6.07 6.07 1.299 264.70 -48.11 304 5.33 5.33 1.472 7.25 -458.79 -1.39 0.999 9 -39.84 310 5.14 5.14 1.128 0.21 -31.57
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Lu ZHANG, Liang XU, Zong-cai TU, Qi-ming ZHOU, Wen-na ZHOU. Mechanism of Isoquercitrin Inhibiting Advanced Glycation Products Formation Based on Fluorescence Spectroscopy Technique[J]. Spectroscopy and Spectral Analysis, 2020, 40(12): 3755
Paper Information
Category: Research Articles
Received: Nov. 1, 2019
Accepted: --
Published Online: Jun. 18, 2021
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